#! /bin/sh
##
## Copyright by the Board of Trustees of the University of Illinois.
## All rights reserved.
##
## This file is part of HDF5.  The full HDF5 copyright notice, including
## terms governing use, modification, and redistribution, is contained in
## the files COPYING and Copyright.html.  COPYING can be found at the root
## of the source code distribution tree; Copyright.html can be found at the
## root level of an installed copy of the electronic HDF5 document set and
## is linked from the top-level documents page.  It can also be found at
## http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html.  If you do not have
## access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu.
##

############################################################################
##                                                                        ##
## Things You May Have to Modify:                                         ##
##                                                                        ##
## If the following paths don't point to the place were HDF5 is installed ##
## on your system (i.e., you received a binary distribution or moved the  ##
## files from the originally installed directory to another directory)    ##
## then modify them accordingly to represent the new paths.               ##
##                                                                        ##
############################################################################
prefix="@prefix@"
exec_prefix="@exec_prefix@"
libdir="@libdir@"
includedir="@includedir@"

############################################################################
##                                                                        ##
## You shouldn't have to modify anything below this line.                 ##
##                                                                        ##
############################################################################

host_os="@host_os@"

prog_name="`basename $0`"

allargs=""
compile_args=""
link_args=""
link_objs=""

do_link="yes"
do_compile="no"
dash_o="no"
dash_c="no"
get_output_file="no"

SHOW="eval"
FCBASE="@F9X@"
FLINKERBASE="@F9X@"
FFLAGS="@FFLAGS@"
F9XMODFLAG="@F9XMODFLAG@"
F9XSUFFIXFLAG="@F9XSUFFIXFLAG@"
LDFLAGS="@LDFLAGS@"
LIBS="@LIBS@"

FC="${HDF5_FC:-$FCBASE}"
FLINKER="${HDF5_FLINKER:-$FLINKERBASE}"

usage() {
  # A wonderfully informative "usage" message.
  echo "usage: $prog_name [OPTIONS] <compile line>"
  echo "  OPTIONS:"
  echo "    -help        This help message."
  echo "    -echo        Show all the shell commands executed"
  echo "    -prefix=DIR  Prefix directory to find HDF5 lib/ and include/"
  echo "                   subdirectories [default: $prefix]"
  echo "    -show        Show the commands without executing them"
  echo " "
  echo "  <compile line>  - the normal compile line options for your compiler."
  echo "                    $prog_name uses the same compiler you used to compile"
  echo "                    HDF5. Check with your compiler's man pages for more"
  echo "                    information on which options are needed."
  echo " "
  echo " You can override the compiler and linker to compile your program by"
  echo " setting the following environment variables accordingly:"
  echo " "
  echo "   HDF5_FC                  -  use a different Fortran 90 or 95 compiler"
  echo "   HDF5_FLINKER             -  use a different linker"
  echo " "
  exit 1
}

if test "$#" = "0"; then
  # No parameters specified, issue usage statement and exit.
  usage
fi

for arg in $@ ; do
  if test "x$get_output_file" = "xyes"; then
    link_args="$link_args $arg"
    output_file="$arg"
    get_output_file="no"
    continue
  fi

  case "$arg" in
    -c)
      allargs="$allargs $arg"
      compile_args="$compile_args $arg"

      if test "x$do_link" = "xyes" -a -n "$output_file"; then
        compile_args="$compile_args -o $outputfile"
      fi

      do_link="no"
      dash_c="yes"
      ;;
    -o)
      allargs="$allargs $arg"
      dash_o="yes"

      if test "x$dash_c" = "xyes"; then
        compile_args="$compile_args $arg"
      else
        link_args="$link_args $arg"
        do_link="yes"
        get_output_file="yes"
      fi
      ;;
    -E|-M)
      allargs="$allargs $arg"
      compile_args="$compile_args $arg"
      dash_c="yes"
      do_link="no"
      ;;
    -l*)
      link_args="$link_args $arg"
      allargs="$allargs $arg"
      ;;
    -prefix=*)
      prefix="`expr "$arg" : '-prefix=\(.*\)'`"
      ;;
    -echo)
      set -x
      ;;
    -show)
      SHOW="echo"
      ;;
    -help)
      usage
      ;;
    *\"*)
      qarg="'"$arg"'"
      allargs="$allargs $qarg"
      ;;
    *\'*)
      qarg='\"'"$arg"'\"'
      allargs="$allargs $qarg"
      ;;
    *)
      allargs="$allargs $qarg"

      if test -s "$arg"; then
        ext=`expr "$arg" : '.*\(\..*\)'`

        if test "x$ext" = "x.c"; then
          do_compile="yes"
          compile_args="$compile_args $arg"
          fname=`basename $arg .c`
          link_objs="$link_objs $fname.o"
        elif test "x$ext" = "x.o"; then
          if test "x$dash_c" = "xyes"; then
            compile_args="$compile_args $arg"
          else
            do_link="yes"
            link_objs="$link_objs $arg"
          fi
        else
          compile_args="$compile_args $arg"
          link_args="$link_args $arg"
        fi
      else
        compile_args="$compile_args $arg"
        link_args="$link_args $arg"
      fi
      ;;
  esac
done

if test "x$do_compile" = "xyes"; then
  if test "x$dash_c" != "xyes"; then
    compile_args="-c $compile_args"
  fi

  $SHOW $FC $FFLAGS ${F9XSUFFIXFLAG} $compile_args
  status=$?

  if test "$status" != "0"; then
    exit $status
  fi
fi

if test "x$do_link" = "xyes"; then
  # It's possible that there isn't a modules flag...
  fmodules=""
  if test -n "$F9XMODFLAG"; then
    fmodules="${F9XMODFLAG}${libdir}"
  fi

  link_args="$link_args ${libdir}/libhdf5_fortran.a ${libdir}/libhdf5.a"

  link_args="$link_args $LIBS"
  $SHOW $FLINKER ${FFLAGS} ${F9XSUFFIXFLAG} ${fmodules} ${LDFLAGS} $link_objs $link_args
  status=$?
fi

exit $status